Robert C. Moffitt has been granted 18 US patents while listed as an inventor at Sikorsky Aircraft . The first was granted in 1982 and the most recent in February 2025. Robert C. Moffitt ranks #245,716 of 4,157,543 US inventors in our database (top 5.9%). Patent records list Robert C. Moffitt in Phoenix, AZ, US.
Patents per Year Patents granted per year, 1982 to 2025 Bar chart with a peak of 2 patents in 1982. peak 2 1982: 2 patents 1982 1992: 2 patents 1993: 1 patents 1993 1994: 1 patents 1997: 2 patents 1997 1998: 1 patents 2003: 1 patents 2003 2004: 1 patents 2005: 2 patents 2005 2007: 1 patents 2009: 2 patents 2009 2020: 1 patents 2025: 1 patents 2025 Issued Patents All Time
Showing 1–18 of 18 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
12228188 Methods and apparatus for a 3D-printed spring — 2025-02-18
10822076 Dual rotor, rotary wing aircraft David H. Hunter , Justin Thomas , Robert D. Beatty , Nicholas Charles Tuozzo , Thomas Alan Egolf +2 more 2020-11-03
7547193 Rotor blade assembly with high pitching moment airfoil section for a rotary wing aircraft James E. Duh , Charles Berezin 2009-06-16
7513750 Rotor blade tip planform Thomas Alan Egolf , Robert D. Beatty , John K. Karpowich , Ashish Bagai 2009-04-07
7252479 Rotor blade for a high speed rotary-wing aircraft Ashish Bagai , Robert Blackwell , Timothy A. Krauss 2007-08-07
6932569 Active control of multi-element rotor blade airfoils Michael S. Torok , Ashish Bagai 2005-08-23
6840741 Leading edge slat airfoil for multi-element rotor blade airfoils Brian E. Wake , Peter F. Lorber , Ray-Sing Lin 2005-01-11
6769872 Active control of multi-element rotor blade airfoils Michael S. Torok , Peter F. Lorber , Geoffrey C. R. Davis , Andreas Bernhard , William A. Welsh +1 more 2004-08-03
6666648 Directional elastomeric coupler Andreas Bernhard , Michael S. Torok , Peter F. Lorber , Geoffrey C. R. Davis , William A. Welsh +1 more 2003-12-23
5735670 Rotor system having alternating length rotor blades and positioning means therefor for reducing blade-vortex interaction (BVI) noise David G. Matuska , Evan A. Fradenburgh 1998-04-07
5620304 Rotor system having alternating length rotor blades and positioning means therefor for reducing blade-vortex interaction (BVI) noise David G. Matsuka , Edward W. Gronenthal 1997-04-15
5620303 Rotor system having alternating length rotor blades for reducing blade-vortex interaction (BVI) noise Joseph A. Visintainer 1997-04-15
D349647 Container cap — 1994-08-16
5253979 Variable diameter rotor having an offset twist Evan A. Fradenburgh , S. Jon Davis , Joseph A. Visintainer 1993-10-19
$17,826,000
5150857 Shroud geometry for unmanned aerial vehicles Stephen Owen 1992-09-29
$8,945,000
5108044 Shroud-fin integration shelf for a helicopter empennage structure Steven D. Weiner 1992-04-28
$9,487,000
4334828 Helicopter blade with a tip having a selected combination of sweep, taper and anhedral to improve hover efficiency — 1982-06-15
$9,884,000
4324530 Helicopter blade with a tip having a selected combination of sweep, taper and anhedral to improve hover efficiency Evan A. Fradenburgh , William D. Jepson 1982-04-13
$1,539,000
